Finding the Fourth Proportional to 143,283.20, 214,924.80 and 44,787.20
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Solution
The fourth proportional to 143,283.20, 214,924.80 and 44,787.20 is: 67,180.79
Step by Step Solution
- Step 1: Write the proportion equation
143,283.20 : 214,924.80 = 44,787.20 : x - Step 2: Convert to fraction form
143,283.20/214,924.80 = 44,787.20/x - Step 3: Cross multiply
143,283.20x = 214,924.80 × 44,787.20 - Step 4: Simplify right side
143,283.20x = 9,625,878,927.94 - Step 5: Solve for x
x = 9,625,878,927.94/143,283.20 - Step 6: Final answer
x = 67,180.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.